Finite Group Databasebeta
Cayley diagram

#13209

order256
nilpotency class4
isoclinismisoclinic class of #2218
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D8
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
socleC22C2×#102
prime radical#3147C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

241 conjugacy classes of subgroups; only the 83 normal subgroups are shown.

normal subgroups only

This group has 241 conjugacy classes of subgroups — too many to draw. Only its 83 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

(2,4)(5,6,9,14,11,15,10,25)(7,16,19,32,17,30,20,35)(8,21,22,27,24,36,23,13)(12,26,29,33,28,34,31,18);(5,7,8,18,9,19,22,26,11,17,24,33,10,20,23,34)(6,12,27,30,25,31,21,32,15,28,13,16,14,29,36,35);(1,2,3,4)(7,17)(12,28)(16,30)(18,33)(19,20)(26,34)(29,31)(32,35)

Polycyclic presentation:

2^8|a^2=f,b^2=dfg,c^2=e,d^2=gh,f^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,c^b=ch

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131854, #131855, #131856, …
maximal normal subgroup of#131854, #131855, #131856, …
maximal quotient of#140522, #140523, #140524, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6197);